<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image">
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span><span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol @add="addFood" :food="food"></cartcontrol>
          </div>
          <div class="buy" v-show="!food.count || food.count == 0" @click.stop.prevent="addFirst">
            加入购物车
          </div>
        </div>
        <split v-show="food.info"></split>
        <div class="info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect @select="selectRating" @toggle="toggleContent" :ratings="food.ratings" :selectType="selectType" :onlyContent="onlyContent" :desc="desc"></ratingselect>
        </div>
        <div class="rating-wrapper">
          <ul v-show="food.ratings && food.ratings.length" class="rating-ul">
            <li v-show="needShow(rating.rateType,rating.text)" v-for="(rating,index) in food.ratings" :key="index" class="rating-item border-1px">
              <div class="user">
                <span class="name">{{rating.username}}</span>
                <img class="avatar" width="12" height="12" :src="rating.avatar">
              </div>
              <div class="time">{{rating.rateTime | formatDate}}</div>
              <p class="text">
                <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
              </p>
            </li>
          </ul>
          <div class="no-rating" v-show="!food.ratings || !food.ratings.length">
            暂无评价
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>
<script>
import BScroll from 'better-scroll'
import cartcontrol from '../cartcontrol/cartcontrol'
import split from '../split/split'
import ratingselect from '../ratingselect/ratingselect'
import {formatDate} from '../../common/js/date'
// const POSITIVE = 0
// const NEGATIVE = 1
const ALL = 2
export default {
  props: {
    food: {
      type: Object
    }
  },
  data () {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: false,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽'
      }
    }
  },
  methods: {
    show () {
      this.showFlag = true
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.food, {
            click: true
          })
        } else {
          this.scroll.refresh()
        }
      })
    },
    hide () {
      this.showFlag = false
    },
    addFirst (event) {
      if (!event._constructed) {
        return
      }
      this.$set(this.food, 'count', 1)
      this.$emit('add', event.target)
    },
    addFood (event) {
      this.$emit('add', event.target)
    },
    selectRating (type) {
      this.selectType = type
    },
    toggleContent () {
      this.onlyContent = !this.onlyContent
    },
    needShow (type, text) {
      if (this.onlyContent && !text) {
        return false
      }
      if (this.selectType === ALL) {
        return true
      }
      return type === this.selectType
    }
  },
  filters: {
    formatDate (time) {
      let date = new Date(time)
      return formatDate(date, 'yyyy-MM-dd hh:mm')
    }
  },
  components: {
    cartcontrol,
    split,
    ratingselect
  }
}
</script>
<style lang="stylus">
@import '../../common/stylus/mixin.styl'
  .food
    position fixed
    left 0
    top 0
    bottom 48px
    width 100%
    z-index 30
    background #fff
    transform translate3d(0,0,0)
    &.move-enter-active, &.move-leave-active
      transition all 0.2s linear
    &.move-enter, &.move-leave-active
      transform translate3d(100%,0,0)
    .image-header
      position relative
      width 100%
      height 0
      padding-top 100%
      img
        position absolute
        top 0
        left 0
        width 100%
        height 100%
      .back
        position absolute
        top 10px
        left 0
        .icon-arrow_lift
          display block
          padding 10px
          font-size 20px
          color #fff
    .content
      position relative
      padding 18px
      .title
        line-height 14px
        margin-bottom 8px
        font-size 14px
        font-weight 700
        color rgb(7,17,27)
      .detail
        margin-bottom 18px
        line-height 10px
        height 10px
        font-size 0
        .sell-count, .rating
          font-size 10px
          color rgb(147,153,159)
        .sell-count
          margin-right 12px
      .price
        font-weight 700
        ine-height 17px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrol-wrapper
        position absolute
        right 12px
        bottom 12px
      .buy
        position absolute
        right 18px
        bottom 18px
        z-index 10
        height 24px
        line-height 24px
        padding 0 12px
        box-sizing border-box
        border-radius 12px
        font-size 10px
        color #ffffff
        background rgb(0,160,220)
        opacity 1
    .info
      padding 18px
      .title
        line-height 14px
        font-size 14px
        margin-bottom 6px
        color rgb(7,17,27)
      .text
        line-height 24px
        padding 0 8px
        font-size 12px
        color rgb(77,85,93)
    .rating
      padding-top 18px
      .title
        line-height 14px
        font-size 14px
        margin-left 18px
        color rgb(7,17,27)
    .rating-wrapper
      padding 0 18px
      .rating-ul
        list-style-type none
        .rating-item
          position relative
          padding 16px 0
          border-1px(rgba(7,17,27,0.1))
          .user
            position absolute
            top 16px
            right 0
            line-height 12px
            font-size 0
            .name
              display inline-block
              margin-right 6px
              font-size 10px
              vertical-align top
              color rgb(147,153,159)
            .avatar
              border-radius 50%
          .time
            margin-bootom 6px
            line-height 12px
            font-size 10px
            color rgb(147,153,159)
          .text
            line-height 16px
            font-size 12px
            color rgb(7,17,27)
            .icon-thumb_up
              color rgb(0,160,220)
            .icon-thumb_down
              color rgb(147,153,159)
            .icon-thumb_up, .icon-thumb_down
              margin-right 4px
              line-height 16px
              font-size 12px
    .no-rating
      padding: 16px 0
      font-size: 12px
      color: rgb(147, 153, 159)
</style>
